Home / 243,470.27-335,988.26-136,040.39

Finding the Fourth Proportional to 243,470.27, 335,988.26 and 136,040.39

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Solution

The fourth proportional to 243,470.27, 335,988.26 and 136,040.39 is: 187,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,470.27 : 335,988.26 = 136,040.39 : x
  2. Step 2: Convert to fraction form
    243,470.27/335,988.26 = 136,040.39/x
  3. Step 3: Cross multiply
    243,470.27x = 335,988.26 × 136,040.39
  4. Step 4: Simplify right side
    243,470.27x = 45,707,971,565.68
  5. Step 5: Solve for x
    x = 45,707,971,565.68/243,470.27
  6. Step 6: Final answer
    x = 187,735.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.